Home / 144,741.24-199,755.36-81,092.16

Finding the Fourth Proportional to 144,741.24, 199,755.36 and 81,092.16

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Solution

The fourth proportional to 144,741.24, 199,755.36 and 81,092.16 is: 111,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,741.24 : 199,755.36 = 81,092.16 : x
  2. Step 2: Convert to fraction form
    144,741.24/199,755.36 = 81,092.16/x
  3. Step 3: Cross multiply
    144,741.24x = 199,755.36 × 81,092.16
  4. Step 4: Simplify right side
    144,741.24x = 16,198,593,613.98
  5. Step 5: Solve for x
    x = 16,198,593,613.98/144,741.24
  6. Step 6: Final answer
    x = 111,914.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.